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389999996906712 = 233133781121467173
BaseRepresentation
bin101100010101100111111001…
…1010001110010110011011000
31220010212122011100012201010020
41120223033303101302303120
5402104224443202003322
63501243305235350440
7145101366330052503
oct13053176321626330
91803778140181106
10389999996906712
111032a2084a7a645
12378a8741a52420
131397cac387b5aa
146c44159d5213a
153014bdccc905c
hex162b3f3472cd8

389999996906712 has 32 divisors (see below), whose sum is σ = 975007288324080. Its totient is φ = 129999026161280.

The previous prime is 389999996906657. The next prime is 389999996906713. The reversal of 389999996906712 is 217609699999983.

It is a self number, because there is not a number n which added to its sum of digits gives 389999996906712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389999996906713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57522843 + ... + 63944330.

Almost surely, 2389999996906712 is an apocalyptic number.

It is an amenable number.

389999996906712 is an abundant number, since it is smaller than the sum of its proper divisors (585007291417368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389999996906712 is a wasteful number, since it uses less digits than its factorization.

389999996906712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121600963 (or 121600959 counting only the distinct ones).

The product of its (nonzero) digits is 57854793024, while the sum is 96.

The spelling of 389999996906712 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 133781 267562 401343 535124 802686 1070248 1605372 3210744 121467173 242934346 364401519 485868692 728803038 971737384 1457606076 2915212152 16249999871113 32499999742226 48749999613339 64999999484452 97499999226678 129999998968904 194999998453356 389999996906712